Download App

Sources of Energy — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceSources of Energy1 Mark
MCQ
The main constituent of biogas is :
  • ✓
    Methane.
  • B
    Carbon dioxide.
  • C
    Hydrogen.
  • D
    Hydrogen sulphide.
✓

Answer

Correct option: A.
Methane.
Bio $-$ gas is an excellent fuel as it contains up to $75\%$ methane. It burns without smoke, leaves no residue like ash in wood, charcoal and coal burning. Its heating capacity is high. Bio $-$ gas is also used for lighting.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q" from Sources of Energy→Sources of Energy — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

While filling $\ce{LPG}$ in cylinders, a substance $X$ is added to make the detection of leakage of $\ce{LPG}$ from the cylinder easy. The substance $X$ is :
→
Petroleum is $ .......... $ natural resource:
→
Select the eco-friendly activity among the following:
→
Two pink coloured flowers on crossing resulted in $1$ red $,2$ pink and $1$ white flower progeny. The nature of the cross will be :
→
In an ecosystem, the ten per cent energy available for transfer from one trophic level to the next is in the form of :
→
The chemical mostly used in the preparation of most of the soaps we use is .
→
Which of the following devices does not make use of solar energy directly?
→
Offspring formed as a result of sexual reproduction exhibit more variations because
→
What are the colours of the Sun observed most during sunrise/ sunset and noon?
→
The poisonous gas which reduces the oxygen $-$ carrying capacity of blood to a large extent is :
→